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Weather in Muskegon County, Michigan for September 2026

Your guide to Muskegon County weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Muskegon County at the beginning of September is 18 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.1 °F by the end of September.

  • Rain 🌧️

  • Muskegon County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 208.6 mm.

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Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/15°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Muskegon County Weather September

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Temperatures trend during September in Muskegon County

See the weather trend as well as the moving average line

September weather in Muskegon County day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Mist
Mist
20° /13° 0 mm 7
Sept. 2 Partly cloudy
Partly cloudy
20° /14° 0 mm 7
Sept. 3 Moderate or heavy rain shower
Moderate or heavy rain shower
19° /14° 26.4 mm 1
Sept. 4 Overcast
Overcast
15° /11° 0 mm 3
Sept. 5 Overcast
Overcast
18° /15° 0 mm 2
Sept. 6 Overcast
Overcast
16° /14° 0 mm 1
Sept. 7 Light rain shower
Light rain shower
18° /14° 8.6 mm 6
Sept. 8 Cloudy
Cloudy
20° /14° 0 mm 6
Sept. 9 Overcast
Overcast
20° /15° 0 mm 5
Sept. 10 Overcast
Overcast
21° /16° 0 mm 3
Sept. 11 Overcast
Overcast
22° /16° 0 mm 6
Sept. 12 Fog
Fog
19° /12° 0 mm 3
Sept. 13 Moderate or heavy rain shower
Moderate or heavy rain shower
20° /18° 65.5 mm 4
Sept. 14 Sunny
Sunny
29° /17° 0 mm 5
Sept. 15 Cloudy
Cloudy
27° /15° 0 mm 5
Sept. 16 Mist
Mist
26° /15° 0 mm 5
Sept. 17 Cloudy
Cloudy
24° /15° 0 mm 5
Sept. 18 Fog
Fog
21° /14° 0 mm 2
Sept. 19 Overcast
Overcast
26° /16° 0 mm 4
Sept. 20 Thundery outbreaks possible
Thundery outbreaks possible
22° /15° 26.4 mm 3
Sept. 21 Fog
Fog
19° /16° 44 mm 1
Sept. 22 Light rain shower
Light rain shower
19° /18° 37.7 mm 1
Sept. 23 Fog
Fog
21° /18° 0 mm 2
Sept. 24 Fog
Fog
21° /14° 0 mm 3
Sept. 25 Fog
Fog
18° /15° 0 mm 3
Sept. 26 Fog
Fog
19° /13° 0 mm 3
Sept. 27 Fog
Fog
19° /16° 0 mm 2
Sept. 28 Fog
Fog
22° /16° 0 mm 4
Sept. 29 Sunny
Sunny
24° /12° 0 mm 4
Sept. 30 Partly cloudy
Partly cloudy
25° /15° 0 mm 4
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Important Notice
Our weather forecast for Muskegon County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Muskegon County forecast closer to your planned date for the most up-to-date weather information.

Muskegon County in September - FAQ

What are the expected maximum and minimum temperatures in Muskegon County during September?

During September, expect a variety of temperatures with highs around 21° and lows near 15°, suitable for diverse activities and preferences.

How much rainfall should be expected in Muskegon County during September?

Significant rainfall exceeding 208.6 mm is expected in Muskegon County during September, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Muskegon County during September?

The average wind speed in Muskegon County during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Muskegon County

Explore the daily rainfall trends and prepare for Muskegon Countys September weather 💧
Typically, Muskegon County has 6 rainy days in September with a total of 208.6 mm of rainfall.

UV exposure in Muskegon County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Muskegon County?

Get accurate weather forecasts for Muskegon County, located at latitude 43.234 and longitude -86.248. Stay updated with localized weather information tailored for Muskegon County.

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